Table 1.

Characteristics of patients

Case	Gender	Age (yr)	NRS score	BMI	Previous abdominal operation	Comorbidity
1	Female	46	5	27.2	No	Urinary lithiasis
2	Male	77	7	24.1	No	No
3	Male	65	8	21.4	Appendectomy	No
4	Male	61	4	26.4	No	No
5	Male	62	5	22.1	Cholecystotomy	No
6	Female	71	8	20.9	No	Gout; high blood pressure
7	Male	48	5	24.4	No	No
9	Male	62	5	23.7	Cesarean section	Hepatic cyst; high blood pressure; cholecystolithiasis
10	Male	60	2	23.8	No	No
11	Female	55	2	23.2	No	No
12	Female	52	8	17.4	Cesarean section	No
13	Male	70	2	21.5	No	No
14	Male	54	3	20.5	No	Urinary lithiasis; urinary infection
15	Male	42	7	18.8	Gastrectomy
16	Male	72	3	24.8	No
17	Male	61	6	22.1	No	High blood pressure
18	Female	63	2	20.8	Appendectomy
19	Male	66	5	19.2	No
mean	NA				NA	NA

BMI: Body mass index; NRS: Nutritional risk screening (2002); NA: Not available.